Mht Cet
Probability
MHT CET 2026 16th April Evening Shift
MCQ+2 / -02026
If a random variable $X$ has a probability mass function $P(x) = \begin{cases} kx^2, & \text{for } x = 1, 2, 3, 4 \\ 0, & \text{otherwise} \end{cases}$, then the mean of $X$ is ...